UNC Assortiment de 90 pièces en acier Grade 5
1/4"-20UNC x 1/2 / 1/4"-20UNC x 5/8 / 1/4"-20UNC x 3/4 / 1/4"-20UNC x 7/8 / 1/4"-20UNC x 1 / 1/4"-20UNC x 1 1/4 5/16"-18UNC x 1/2 / 5/16"-18UNC x 5/8 / 5/16"-18UNC x 1
